Xl-21 series power distribution box is suitable for power distribution and lighting distribution in industrial and civil buildings with AC frequency of 50 Hz, voltage of 500 V and below, three-phase four wire power system. At the same time, it is suitable for making all kinds of motor starting cabinets, including full voltage direct starting cabinet, full digital control soft starting cabinet, self coupling step-down starting cabinet, star delta starting cabinet, multi speed motor starting cabinet, etc. There are dozens of primary line scheme numbers or derived scheme numbers for selection, which have a wide range of applications.
This product is an indoor enclosed distribution box. The box body is made of thin steel plate by bending and welding. The front of the box body is a single left door. The door is equipped with voltmeter, ammeter and other measuring instruments, operating appliances and signal appliances. It is a power distribution device with simple structure, reliable operation and low cost.
Characteristics
1. The main electrical performance fully conforms to iec60439-1 and gb7251.1.
2. The auxiliary circuit has local, remote and automatic control switching function, and the contactor can adopt direct protection.
3. The outlet switch adopts a new type of molded case short circuit and compound release with small volume, high breaking and short (or no) flashover. It has overload and short-circuit protection function, and can install leakage protection function according to user's requirements.
4. The motor circuit has the functions of overload, short circuit, undervoltage and phase loss protection.
5. The product meets the protection level of IP42, and can be used as outdoor power, safe and reliable.
This instrument is an instrument which is specially used for transformer loss parameters and line frequency parameters testing. The instrument has the advantages of ingenious design excellent performance and powerful functions. The interior adopts advanced multi A/D synchronous sampling and digital signal processing technology and successfully solves the problem of multi-channel signal synchronous measurement and calculation. The instrument adopts large screen liquid crystal display Chinese menu prompt simple operation equipped with high-speed thermal printer and has storage function convenient for data storage and printing. The instrument is small in volume light in weight easy to carry and is very convenient to use in the field. It greatly reduces the labor intensity of the experimenters and improves the working efficiency.
1. Large LCD display simple menu operation.
2. With thermal printer storage function.
3. Small volume and light weight suitable for field work.
We are trading in product of power transmission line hardware fittings. Manufacturing/ forged department is our sister concern part that is why we are able to give you best quality and competitive rate.
Our product ranges are 33kv to 400kv. But we are able to provide you all hardware as per your requirement (product load, map-size, drawing, etc…)
We are able to provide you our entire product with all standard testing and/ or as per your requirement.
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Our products size are depend on particular requirement. It is 33kv to 400kv. That is why size is different.
Power line carrier communication unit
The design and production of power line carrier communication unit conform to relative technical standards and specification (2013 version) of the power user electric energy data acquisition system of state grid corporation of china
ASTEC DS650-3-002
650W Distributed Front-End Power
Features:
1) Active Power Factor Correction
2) EN61000-3-2 Harmonic Compliance
3) Active AC Inrush limiting
4) High Density
5) No Min Load Required
6) Hot Plug Operation
7) N+1 Redundant
8) Internal OR-ing FET's
9) Active Current Share
10) I2C Interface
11) Smart Fan Speed Control
Electrical Specifications:
Input
1) Leakage Current: 1.4 mA @ 240 VAC
2) EMI/RFI: Class B
3) Effiency: 85% Typ
4) Input Range: 90 - 264 VAC
5) Frequency: 47 - 63 Hz
Output
1) Main Output: Refer to Model Selection
2) Protection: OCP/OVP/OTP.
